我在SO上看到过类似的错误,但我没有找到解决我的问题的方法。 我有一个SQL查询像:

SELECT DISTINCT
        a.maxa ,
        b.mahuyen ,
        a.tenxa ,
        b.tenhuyen ,
        ISNULL(dkcd.tong, 0) AS tongdkcd
FROM    phuongxa a ,
        quanhuyen b
        LEFT OUTER JOIN ( SELECT    maxa ,
                                    COUNT(*) AS tong
                          FROM      khaosat
                          WHERE     CONVERT(DATETIME, ngaylap, 103) BETWEEN 'Sep 1 2011'
                                                              AND
                                                              'Sep 5 2011'
                          GROUP BY  maxa
                        ) AS dkcd ON dkcd.maxa = a.maxa
WHERE   a.maxa <> '99'
        AND LEFT(a.maxa, 2) = b.mahuyen
ORDER BY maxa;

当我执行这个查询时,错误结果是: 无法绑定多部分标识符“a.maxa”。为什么? P/s:如果我把查询分成2个单独的查询,它运行正常。

SELECT DISTINCT
        a.maxa ,
        b.mahuyen ,
        a.tenxa ,
        b.tenhuyen
FROM    phuongxa a ,
        quanhuyen b
WHERE   a.maxa <> '99'
        AND LEFT(a.maxa, 2) = b.mahuyen
ORDER BY maxa;

and

SELECT  maxa ,
        COUNT(*) AS tong
FROM    khaosat
WHERE   CONVERT(DATETIME, ngaylap, 103) BETWEEN 'Sep 1 2011'
                                        AND     'Sep 5 2011'
GROUP BY maxa;

当前回答

对我来说,问题是我愚蠢地调用一个DB函数没有空括号select [apo]。[GenerateNationalIdFrance]而不是select [apo].[GenerateNationalIdFrance]()…我花了几分钟才意识到这一点,但对大三学生来说值得一提:-)

其他回答

我是SQL的新手,但在我参加的一门课程中遇到了这个问题,并发现将查询分配给项目特别有助于消除多部分错误。例如,我创建的项目是CTU SQL项目,所以我确保我开始我的脚本使用[CTU SQL项目]作为我的第一行如下。

USE [CTU SQL Project]
SELECT Advisors.First_Name, Advisors.Last_Name...and so on.

对我有用的是将WHERE子句更改为SELECT子查询

来自:

    DELETE FROM CommentTag WHERE [dbo].CommentTag.NoteId = [dbo].FetchedTagTransferData.IssueId

TO:

    DELETE FROM CommentTag WHERE [dbo].CommentTag.NoteId = (SELECT NoteId FROM FetchedTagTransferData)
SELECT DISTINCT
        phuongxa.maxa ,
        quanhuyen.mahuyen ,
        phuongxa.tenxa ,
        quanhuyen.tenhuyen ,
        ISNULL(dkcd.tong, 0) AS tongdkcd
FROM    phuongxa ,
        quanhuyen
        LEFT OUTER JOIN ( SELECT    khaosat.maxa ,
                                    COUNT(*) AS tong
                          FROM      khaosat
                          WHERE     CONVERT(DATETIME, ngaylap, 103) BETWEEN 'Sep 1 2011'
                                                              AND
                                                              'Sep 5 2011'
                          GROUP BY  khaosat.maxa
                        ) AS dkcd ON dkcd.maxa = maxa
WHERE   phuongxa.maxa <> '99'
        AND LEFT(phuongxa.maxa, 2) = quanhuyen.mahuyen
ORDER BY maxa;

相反,你可以尝试像这样连接桌子,

select 
  .... 
from 
   dkcd 
     right join 
                a
                  , b

这应该可以

我的错误是使用了表中不存在的字段。

表1。Field1 =>不存在

表二。Field1 =>正确

更正表名。

我的错误是因为使用WITH

WITH RCTE AS (
   SELECT...
)
SELECT RCTE.Name, ...
FROM 
  RCTE INNER JOIN Customer
  ON RCTE.CustomerID = Customer.ID 

当用于连接其他表时…